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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-7461 Detail

Description

Improper neutralization of inputs used in an OS command in the FSx Windows File Server volume mounting component in Amazon ECS Agent on Windows before version 1.103.0 might allow a remote authenticated threat actor to execute shell commands with SYSTEM privileges on the underlying host via a specially crafted username field in an ECS task definition. This issue requires permissions to register ECS task definitions or write to the Secrets Manager or SSM Parameter Store credentials used by the FSx volume configuration. To remediate this issue, users should upgrade to version 1.103.0.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  AMZN
CVSS-B 7.5 HIGH
Vector:  CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://aws.amazon.com/security/security-bulletins/2026-024-aws/ AMZN
https://github.com/aws/amazon-ecs-agent/releases/tag/v1.103.0 AMZN
https://github.com/aws/amazon-ecs-agent/security/advisories/GHSA-fc67-c4hg-q653 AMZN

Weakness Enumeration

CWE-ID CWE Name Source
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') AMZN  

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-7461
NVD Published Date:
04/30/2026
NVD Last Modified:
05/01/2026
Source:
AMZN